// The Vue build version to load with the `import` command
// (runtime-only or standalone) has been set in webpack.base.conf with an alias.
import Vue from 'vue'
import App from './App'
import VueParticles from 'vue-particles'
import {Loading} from 'element-ui'
import axios from 'axios'

Vue.prototype.$axios=axios
Vue.config.productionTip = false

Vue.use(VueParticles)
/* eslint-disable no-new */

let loading;
//内存中正在请求的数量
let loadingNum=0;
function startLoading() {
  if(loadingNum==0){
    loading = Loading.service({
      lock: true,
      text: '拼命加载中...',
      background:'rgba(255,255,255,0.5)',
    })
  }
  //请求数量加1
  loadingNum++;
}
function endLoading() {
  //请求数量减1
  loadingNum--
  if(loadingNum<=0){
    loading.close()
  }
}

//请求数据拦截器
axios.interceptors.request.use(request => {
  startLoading();
  return request
}, err => {
  return Promise.reject(err);
});


//接收响应拦截器
axios.interceptors.response.use(response => {
  endLoading();
  return response
}, err => {
  endLoading();
  if (err && err.response) {
    switch (err.response.status) {
      case 400: err.message = '请求错误(400)'; break;
      case 403: err.message = '拒绝访问(403)'; break;
      case 404: err.message = '请求出错(404)'; break;
      case 408: err.message = '请求超时(408)'; break;
      case 500: err.message = '服务器错误(500)'; break;
      case 501: err.message = '服务未实现(501)'; break;
      case 502: err.message = '网络错误(502)'; break;
      case 503: err.message = '服务不可用(503)'; break;
      case 504: err.message = '网络超时(504)'; break;
      case 505: err.message = 'HTTP版本不受支持(505)'; break;
      default: err.message = `连接出错(${err.response.status})!`;
    }
  } else {
    err.message = '连接服务器失败!'
  }
  message.error(err.message);
  return Promise.reject(err);
});


/* eslint-disable no-new */
new Vue({
  el: '#app',
  template: '<App/>',
  components: {App},
  data: {
    eventHub: new Vue()
  }
});

